N -methylformanilide
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | N-methylformanilide | |||||||||||||||
other names |
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Molecular formula | C 8 H 9 NO | |||||||||||||||
Brief description |
colorless liquid with a characteristic odor |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 135.17 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
1.095 g cm −3 |
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Melting point |
11-14 ° C |
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boiling point |
243-244 ° C |
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Vapor pressure |
2.66 Pa (25 ° C) |
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solubility |
slightly soluble in water (10.3 g l −1 at 25 ° C) |
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Refractive index |
1.561 (20 ° C) |
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safety instructions | ||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C |
N -Methylformanilide is a chemical compound from the group of carboxamides .
Extraction and presentation
N -Methylformanilid can be prepared by reaction of N -Methylanilin with formic acid in refluxing toluene , or in the oxidation of N , N -dimethylaniline with manganese (IV) oxide in chloroform are obtained.
properties
N -methylformanilide is a flammable, hardly inflammable, colorless liquid with a characteristic odor that is sparingly soluble in water.
use
N -Methylformanilide is used as a formylating agent for certain organometallic compounds and in combination with phosphoryl chloride for Vilsmeier-Haack reactions and in heterocycle syntheses. It also acts as a swelling agent in the dyeing process of meta - aramid fibers .
Individual evidence
- ↑ a b c d e f g h i j Entry on N-methylformanilide in the GESTIS substance database of the IFA , accessed on January 8, 2018(JavaScript required) .
- ↑ Data sheet N-Methylformanilide, 99% from Sigma-Aldrich , accessed on January 2, 2017 ( PDF ).
- ↑ Spektrum.de: N -Methylformanilid , Lexikon der Chemie
- ↑ LF Fieser, JE Jones: N-METHYLFORMANILIDE In: Organic Syntheses . 20, 1940, p. 66, doi : 10.15227 / orgsyn.020.0066 ; Coll. Vol. 3, 1955, p. 90 ( PDF ).
- ↑ Data sheet N-Methylformanilide, 99% from AlfaAesar, accessed on January 2, 2017 ( PDF )(JavaScript required) .